http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Investigation of the Earth as a heat source and sink for the heat pump under Texas conditions
41 leaves, 85 leaves of plates : illustrations (some folded) ; 28 cm.
Progress report no. 19; Dec. 1, 1950-Mar. 1, 1951.
Research conducted for the Texas A&M Research Foundation, under contract with the Texas Electric Service Company, Fort Worth, Texas.
Includes bibliographical references (leaves 6-8). 41